The definition for illuminate is "To make clear." Used in a sentence: Her excellent lecture illuminated the complicated subject of nuclear physics. The definition for duplicity is "deceptive thought, speech, or action.", the definition for extol is "To praise highly.", and the definition for eulogy is "Speech or writing in praise of deceased."

The definition for opportune is "Suitable or convenient." Used in a sentence: Quan stepped onto the platform at the most opportune time, just as the train pulled in. The definition for proximity is "closeness.", the definition for archetypal is "Characteristic of the original model or perfect example.", and the definition for retroactive is "effective as of a prior time or condition."

The definition for precept is "A general rule of action." Used in a sentence: All the students know Mrs. Brown's strict precept; no talking in class. The definition for appraise is "to evaluate the worth of.", the definition for stern is "Harsh, severe.", and the definition for pallid is "Lacking color."

The definition for demean is "To lower status." Used in a sentence: The embarrassing photograph demeaned the candidate in the eyes of the voters. The definition for refurbish is "to brighten or freshen.", the definition for cunning is "Showing clever insight.", and the definition for trove is "Valuable collection."

The definition for drab is "Dull, monotonous." Used in a sentence: The drab winter scene made Keisha long for the vibrant colors of spring. The definition for comparable is "similar, equivalent.", the definition for mediate is "To come between parties in order to reconcile.", and the definition for untenable is "Not able to be defended."